Installed from EZon from autotops too, great quality, german A5haartz,it took me 10-12 hours to install, but took some documentary pics while installing, not a easy task but next time it will be much easier.
I live in Norway, and installing from a dealer with top/glas would cost me about $ 3500....insane price..... So i ordered from ebay, total cost $ 600 with parts and lots of reading......